THE EE WAS CLIMBING LADDER TO OPERATOR COMPARTMENT OF 980 LOADER. HE LIFTED HIS LEFT KNEE TO THE NEXT STEP AND FELT A POP DISCOMFORT IN THE KNEE PERSISTED AFTER HIS TWO WEEKS AT WORK ROTATION. HE SOUGHT MEDICAL ATTENTION ON HIS TWO WEEKS OFF. HE RETURNED TO WORK ON HIS NEXT TWO WEEK ROTATION. ON HIS NEXT TWO WEEKS OFF HE WAS GIVEN TEST RESULTS, DIAGNOSIS WAS A TEAR TO THE KNEE PART